文章介绍了越岭隧道的长斜井、深竖井、平导、横洞的设计和施工情况。
The paper reviews the design and construction of the long inclined shafts, the deep vertical shaft, the parallel adit and the access adit for the tunnel.
在许多隧道工程中，经如辛普龙大隧道，都要在隧道全面开挖前打一个导洞。
In many projects, like the Simplon, for example, a small pilot tunnel is driven before the full diameter of the tunnel is excavated.
实测数据表明：施工引起的既有地铁隧道结构变形以沉降为主，沉降主要发生在导洞施工阶段；
The monitoring data show that the structural settlement is the prominent response style of the existing subways, and the settlement mainly happens during the pilot-drift construction.
应用推荐